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RT5
1 Heat/1 Cool
Manual Changeover
Battery or Hardwired
Non-Programmable Electronic Thermostat
• For use with Friedrich PTAC units ONLY
• Backlit Display
• Filter Check
• Status Indicator Light
• Relay Outputs
(minimum voltage drop in thermostat)
• Two-Speed Fan
Installation, Operation & Application Guide
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Table of Contents
Related Manuals for Friedrich RT5
Summary of Contents for Friedrich RT5
- Page 1 1 Heat/1 Cool Manual Changeover Battery or Hardwired Non-Programmable Electronic Thermostat • For use with Friedrich PTAC units ONLY • Backlit Display • Filter Check • Status Indicator Light • Relay Outputs (minimum voltage drop in thermostat) • Two-Speed Fan...
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Page 2: Table Of Contents
Parts Diagram... 1 Specifi cations ... 2 Important Safety Information ... 2 Package Contents/Tools Required ... 2 To Remove Existing Thermostat ... 3 To Install Thermostat ... 3 Wiring Diagrams ... 5 Confi guration Mode ... 6 Testing the Thermostat ... 9 Mode of Operation ... -
Page 3: Parts Diagram
Parts Diagram... -
Page 4: Specifi Cations
• Use this thermostat only as described in this manual Package Contents/Tools Required Package includes: RT5 thermostat on base, thermostat cover, wiring labels, screws and wall anchors, Installation, Operation and Application Guide Tools required for installation: Drill with 3/16" bit, hammer, screwdriver Specifications •... -
Page 5: To Remove Existing Thermostat
IMPORTANT: Thermostat installation must conform to local and national building and electrical codes and ordinances. Note: Mount the thermostat about fi ve feet above the fl oor. Do not mount the thermostat on an outside wall, in direct sunlight, behind a door, or in an area affected by a vent or duct. - Page 6 To remove cover, insert and twist a coin or screwdriver in the slots on the sides of the thermostat. Put thermostat base against the wall where you plan to mount it (Be sure wires will feed through the wire opening in the base of the thermostat).
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Page 7: Wiring Diagrams
HARDWIRED PRE-INSTALLED JUMPER... -
Page 8: Confi Guration Mode
The confi guration mode is used to set the RT5 to match your heating/cooling system. The RT5 functions with Friedrich PTAC models. Ensure that the thermostat is confi gured for air conditioning with ELECTRIC HEAT ONLY. To confi gure the RT5, perform the following steps: 1. - Page 9 Confi guration Mode Settings (continued) 3. Temperature Differential (1°F to 3°F) (0.5°C to 1.5°C) – Set the number of degrees between your “setpoint” temperature and your “turn on” temperature. Press the button to set differential value. Press the SW6 button to advance to the next screen. 4.
- Page 10 6. Room temperature offset (+9°F to -9°F) (+4.5°C to -4.5°C) Adjust to calibrate displayed room temperature to match actual room temperature. Note: When not set to 0, ROOM will display Press the button to select. Press the SW6 button to advance to the next screen. 7.
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Page 11: Testing The Thermostat
Once the thermostat is installed, it should be thoroughly tested. caution!: Do not energize the air conditioning system when the outdoor temperature is below 50 degrees. It can result in equipment damage or personal injury. Cool Test 1. Slide Mode switch to Cool mode. -
Page 12: Mode Of Operation
The RT5 is a single-stage heat, single-stage cool thermostat. The RT5 can use 24 VAC or batteries as a power supply. The RT5 can be hardwired and have no batteries installed in the battery compartment. It can also run on battery power only. When batteries are installed and the thermostat is hardwired, the batteries will run the thermostat during a power outage. -
Page 13: Troubleshooting
Status indicator fi lter displays Troubleshooting For Hardwired Installation Check for 24 VAC at thermostat; display is blank when 24 VAC is not present For Battery Installation Display is blank when batteries are drained or installed incorrectly Verify wiring is correct Check position of gas/electric switch Adjust temperature differential (see “Temperature Differential,”... - Page 14 Friedrich Air Conditioning Co. Post Office Box 1540 • San Antonio, Texas 78295-1540 4200 N. Pan Am Expressway • San Antonio, Texas 78218-5212 (210) 357-4400 • FAX (210) 357-4480 www.friedrich.com...
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